Head portion of a lighting fixture



FIG. 1 is a first perspective view of a head portion of a lighting fixture showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof wherein the right side is a mirror image thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a second perspective view thereof; and,

FIG. 8 is a third perspective view thereof.

The broken-line disclosure in the views is understood to represent portions of the light fixture which form no part of the claimed design. 

CLAIM The ornamental design for a head portion of a light fixture, as shown and described. 